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Year 11 Physics 2010

Year 11 Physics 2010. Mr. Howard Graham And Mr. Ben Saunders. BASIC EXPECTATIONS. Be On time Be Prepared Be Respectful Be Honest Try!!!. Lab Safety. No Bags in the Lab Listen Carefully and follow instructions Walk, Don’t Run Communicate with those around you

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Year 11 Physics 2010

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  1. Year 11 Physics2010 Mr. Howard Graham And Mr. Ben Saunders

  2. BASIC EXPECTATIONS • Be On time • Be Prepared • Be Respectful • Be Honest • Try!!!

  3. Lab Safety • No Bags in the Lab • Listen Carefully and follow instructions • Walk, Don’t Run • Communicate with those around you • Keep noise to a minimum • Use common sense

  4. 2010 Outline • Semester 1: • Statics and Dynamics • Nuclear Physics • Semester 2: • Sound and other waves • Electricity and Electronics

  5. Assessment Techniques in Senior Physics • Supervised Assessment (SA) – Unseen • Usually an Exam • Extended Research Task (ERT) • Individual research responding to a question • Extended Experimental Investigation (EEI) • Group or individual experiment design and investigation • Supervised Assessment (SA) – Seen • Usually an exam or essay responding to stimulus

  6. 2010 Assessment • Term 1 – SA • Term 2 – ERT • Term 3 – EEI • Term 4 - SA

  7. A Quick Challenge… Ans: 4.2517

  8. STATICS AND DYNAMICSIntro • Why is measurement so important? eg. Shoe size, distance to the beach, time it takes for this lesson to finish. • List five things in your daily life that involve measurement? • List five units of measurement.

  9. UNITS OF MEASUREMENT Humans have always been curious about and concerned with the world around them. Physicists are required to make very careful and accurate observations and measurements of physical quantities so that they can analyse results and compare them against a theory. An internationally agreed system of units was developed to standardise measurements. This is the SI system (abbreviated fromSystème International d'Unités). Note, some other countries still use imperial units eg. pounds, gallons, etc.

  10.  Prefixes of the SI Units tera 1012 T giga 109 G mega 106 M kilo 103 k deci 10-1 d centi 10-2 c milli 10-3 m micro 10-6  nano 10-9 n pico 10-12 p femto 10-15 f atto 10-18 a Difference = 5 Therefore 1 decimetre = 1 x 105 micrometres = 105 m …or 1 micrometre = 1 105 decimetres = 10-5 dm

  11. Alternative method tera 1012 T giga 109 G mega 106 M kilo 103 k deci 10-1 d centi 10-2 c milli 10-3 m micro 10-6  nano 10-9 n pico 10-12 p femto 10-15 f atto 10-18 a Convert decimetres to micrometres: Difference: -1 - -6 = 5 Therefore: 1 decimetre = 1 x 105 micrometres = 105 m To go the other way Difference: -6 - -1 = -5 Therefore: 1 micrometre = 1 x 10-5 decimetres = 10-5 dm

  12. Try these: • Convert 3.75dL into L • Convert 2.4 μm into m • Convert 3.6 x 104 mg to kg • Convert 60 km h-1 into m s-1 • Convert 100 m s-1 into km h-1

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